<template>
  <div class="news">
    <div class="header">
      <table>
        <tr>
          <td @click="router.push('/biquan')"><返回</td>
          <td style="text-align: center">发动态</td>
          <td style="text-align: right">
            <button @click="ReleaseDynamic">发布</button>
          </td>
        </tr>
      </table>
    </div>
    <div class="text">
      <textarea placeholder="和币友一起分享我的币圈见闻，支持图文和短视频"></textarea>
    </div>
    <el-upload
        class="avatar-uploader"
        action="https://run.mocky.io/v3/9d059bf9-4660-45f2-925d-ce80ad6c4d15"
        :show-file-list="false"
        :on-success="handleAvatarSuccess"
        :before-upload="beforeAvatarUpload"
    >
      <img v-if="imageUrl" :src="imageUrl" class="avatar"/>
      <el-icon v-else class="avatar-uploader-icon">
        <Plus/>
      </el-icon>
    </el-upload>
  </div>
</template>

<script lang="ts" setup>
import {ref} from 'vue'
import {ElMessage} from 'element-plus'
import {Plus} from '@element-plus/icons-vue'

import type {UploadProps} from 'element-plus'
import { useRouter } from 'vue-router'; // 导入 useRouter
const router = useRouter(); // 获取 router 实例

const imageUrl = ref('')

const handleAvatarSuccess: UploadProps['onSuccess'] = (
    response,
    uploadFile
) => {
  imageUrl.value = URL.createObjectURL(uploadFile.raw!)
}

const beforeAvatarUpload: UploadProps['beforeUpload'] = (rawFile) => {
  if (rawFile.type !== 'image/jpeg') {
    ElMessage.error('Avatar picture must be JPG format!')
    return false
  } else if (rawFile.size / 1024 / 1024 > 2) {
    ElMessage.error('Avatar picture size can not exceed 2MB!')
    return false
  }
  return true
}

const ReleaseDynamic = () =>{
  // 发送请求到后端
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 150px;
  height: 150px;
  text-align: center;
}
</style>

<style scoped>
.news {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  //width: 350px;
}

.header table {
  width: 100%;
}

.header table td {
  width: 33%;
}

.header button {
  width: 50px;
  border-radius: 6px;
  background-color: #E93C3E;
  color: #F9FAFC;
  font-family: "Arial Black";
  border: 0px;
}

.text textarea {
  margin-top: 10px;
  width: 100%;
  height: 50px;
  border: none;
  outline: none;
  resize: none;
}

.picture {
  width: 110px;
  height: 110px;
  background-color: #F7F7F7;
  text-align: center;


}

.picture img {
  height: 50%;
  width: 50%;
  padding-top: 30px;
}

.footer {
  position: fixed;
  bottom: 0;
}

.footer img {
  width: 20px;
  height: 20px;
}

.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}

</style>
